"Sara Martinez is facing years in the juvenile detention system for hacking into the foster care computer system to prove that her foster parents are crooks. But then she gets a second chance when a mysterious man offers her a chance to join a group of MI6 affiliated spies"-- Provided by publisher.

A hurricane unearths a decades-old mystery when a bell captain's body is discovered at a historic Miami Beach hotel, leading twelve-year-old Alex and the other members of the Sherlock Society to uncover the truth behind a long-lost million-dollar jewel heist.

"When Umbra threatens to attack multiple high-level targets across Europe unless Le Fantôme is released from prison, the City Spies have to split up and race across the continent solving codes and chasing clues in hopes that they can thwart the attacks and keep Le Fantôme from going free"-- Provided by publisher.

Rebel surfer-turned-field ops specialist Sydney finds herself in hot water while undercover on a marine research vessel, while her City Spies teammates investigate a suspected mole.

When hackers target locations all over London, Kat leads the City Spies in testing security for the British Museum where a secret message leads them to Egypt and the ancient City of the Dead.

Middle schoolers Florian and Margaret are determined to catch a spy who is implicating their FBI supervisor, Marcus Rivers, in a variety of crimes--even if they have to break into, and out of, the Library of Congress to do it.-- Provided by Publisher.

Seventh-grader Molly has always been an outsider, even at New York City's elite Metropolitan Institute of Science and Technology, but that changes when she is recruited to join the Omegas, a secret group that polices and protects zombies.

In 731 Chang'An, China, Han Yu rises every day with the first beat of the city drums to sell steamed buns in a bustling market full of whispers about his ability to summon tigers. In 1931 Chinatown, New York, Luli Lee spends her evenings gazing out at the city from the roof of her parents' restaurant, dreaming of dim sum and Chinese art. There is a comfortable rhythm to the small but content lives of Han Yu and Luli. But when plague strikes Chang'An...

"New York Times bestselling author Chris Grabenstein and his all-star cast of contributing authors team up for Super Puzzletastic Mysteries, a group of interactive short stories that invite the reader to solve the mystery themselves."-- Provided by publisher.